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目录 
ARFOUNDATION 之路－概述 ............................................................................................................................................................................................................ 1 
（一）、什么是 ARFOUNDATION ................................................................................................................................................................................................... 1 
（二）、ARFOUNDATION 与 ARCORE、ARKIT 的关系 ....................................................................................................................................................... 2 
（三）、ARFOUNDATION 支持的功能 .......................................................................................................................................................................................... 3 
参考文献
 ............................................................................................................................................................................................................................................................................... 5 
ARFOUNDATION 之路－架构及术语 ............................................................................................................................................................................................... 5 
（一）ARFOUNDATION 功能概述 ................................................................................................................................................................................................... 5 
（二）ARFOUNDATION 架构体系 ................................................................................................................................................................................................... 6 
（三）基本术语 ........................................................................................................................................................................................................................................... 7 
参考文献......................................................................................................................................................................................................................................................................................9 
ARFOUNDATION 之路－环境配置(IOS)之一 ............................................................................................................................................................................... 9 
（一）插件导入 ........................................................................................................................................................................................................................................... 9 
（二）设置开发环境 ............................................................................................................................................................................................................................... 12 
（三）搭建基础框架 ............................................................................................................................................................................................................................... 15 
ARFOUNDATION 之路－环境配置(IOS)之二 ............................................................................................................................................................................ 18 
（一）APPCONTROLLER .................................................................................................................................................................................................................. 18 
（二）生成并配置 XCODE 工程 ........................................................................................................................................................................................................ 21 
（三）运行 HELLOWORLD ............................................................................................................................................................................................................... 24 
ARFOUNDATION 之路－环境配置(ANDROID) ...................................................................................................................................................................... 26 
（一）插件导入 ........................................................................................................................................................................................................................................ 27 
（二）设置开发环境 ............................................................................................................................................................................................................................... 28 
（三）搭建基础框架 ............................................................................................................................................................................................................................... 32 
（四）APPCONTROLLER .................................................................................................................................................................................................................. 35 
（五）运行 HELLOWORLD ............................................................................................................................................................................................................... 37 
ARFOUNDATION 之路－ARSESSION & ARSESSIONORIGIN ...................................................................................................................................... 39 
（一）ARSESSION ................................................................................................................................................................................................................................ 39 
（二）ARSESSIONORIGIN ............................................................................................................................................................................................................... 41 
参考文献
 ............................................................................................................................................................................................................................................................................ 43 
ARFOUNDATION 之路－可跟踪对象 ............................................................................................................................................................................................ 44 

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（一）可跟踪对象管理器 ...................................................................................................................................................................................................................... 45 
（二）可跟踪对象事件........................................................................................................................................................................................................................... 46 
（三）管理可跟踪对象........................................................................................................................................................................................................................... 47 
参考文献
 ............................................................................................................................................................................................................................................................................ 48 
ARFOUNDATION 之路－RAYCASTING .................................................................................................................................................................................... 49 
（一）射线检测概念 ............................................................................................................................................................................................................................... 49 
（二）射线检测详解 ............................................................................................................................................................................................................................... 51 
ARFOUNDATION 之路－平面管理 ................................................................................................................................................................................................ 53 
（一）平面检测管理 ............................................................................................................................................................................................................................... 53 
（二）可视化平面.................................................................................................................................................................................................................................... 54 
（三）个性化可视平面........................................................................................................................................................................................................................... 55 
参考代码
 ............................................................................................................................................................................................................................................................................ 62 
ARFOUNDATION 之路－平面管理之二 ....................................................................................................................................................................................... 62 
（一）开启与关闭平面检测.................................................................................................................................................................................................................. 62 
（二）显示与隐藏被检测平面 ............................................................................................................................................................................................................. 64 
参考资料
 ............................................................................................................................................................................................................................................................................ 67 
ARFOUNDATION 之路－点云与参考点 ....................................................................................................................................................................................... 67 
（一）点云 ................................................................................................................................................................................................................................................. 68 
（二）参考点............................................................................................................................................................................................................................................. 70 
ARFOUNDATION 之路－图像跟踪 ................................................................................................................................................................................................ 73 
（一）图像跟踪基本操作 ...................................................................................................................................................................................................................... 73 
（二）图像跟踪启用与禁用.................................................................................................................................................................................................................. 76 
（三）多图像跟踪.................................................................................................................................................................................................................................... 78 
ARFOUNDATION 之路－AR 子系统 ............................................................................................................................................................................................. 83 
（一）AR 子系统的概念 ....................................................................................................................................................................................................................... 84 
（二）AR 子系统使用 ............................................................................................................................................................................................................................ 85 
（三）可跟踪子系统 ............................................................................................................................................................................................................................... 87 
参考文献
 ............................................................................................................................................................................................................................................................................ 87 
ARFOUNDATION 之路－光照估计 ................................................................................................................................................................................................ 88 
（一）光照一致性.................................................................................................................................................................................................................................... 88 
（二）光照估计操作 ............................................................................................................................................................................................................................... 89 
ARFOUNDATION 之路－ENVIRONMENT PROBE 之一 .................................................................................................................................................... 92 

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（一）CUBEMAP ................................................................................................................................................................................................................................... 93 
（二）PBR 渲染....................................................................................................................................................................................................................................... 94 
（三）REFLECTION PROBE ............................................................................................................................................................................................................. 96 
（四）纹理采样过滤 ............................................................................................................................................................................................................................... 97 
参考资料
 ............................................................................................................................................................................................................................................................................ 99 
ARFOUNDATION 之路－ENVIRONMENT PROBE 之二 .................................................................................................................................................... 99 
（一）使用 ENVIRONMENT PROBE............................................................................................................................................................................................ 99 
（二）AR ENVIRONMENT PROBE MANAGER ................................................................................................................................................................. 102 
（三）性能优化 ..................................................................................................................................................................................................................................... 104 
参考文献
 ......................................................................................................................................................................................................................................................................... 104 
ARFOUNDATION 之路－AR 阴影生成之一 ............................................................................................................................................................................ 105 
（一） SHADOWMAP 技术原理 .................................................................................................................................................................................................. 106 
（二）使用实时阴影 ............................................................................................................................................................................................................................ 107 
（三）阴影参数详解 ............................................................................................................................................................................................................................ 113 
ARFOUNDATION 之路－AR 阴影生成之二 ............................................................................................................................................................................ 115 
（一）PROJECTORSHADOW ...................................................................................................................................................................................................... 116 
（二）BLOBSHADOW ..................................................................................................................................................................................................................... 119 
（三）参数详解 ..................................................................................................................................................................................................................................... 121 
参考文献................................................................................................................................................................................................................................................... 122 
ARFOUNDATION 之路－AR 阴影生成之三 ............................................................................................................................................................................ 122 
（一）数学原理 ..................................................................................................................................................................................................................................... 122 
（二）代码实现 ..................................................................................................................................................................................................................................... 124 
参考文献
 ......................................................................................................................................................................................................................................................................... 132 
ARFOUNDATION 之路－AR 阴影生成之四 ............................................................................................................................................................................ 132 
（一）预先制作阴影 ............................................................................................................................................................................................................................ 133 
（二）一种精确放置物体的方法...................................................................................................................................................................................................... 135 
ARFOUNDATION 之路－3D 物体识别之一 ............................................................................................................................................................................. 138 
（一）获取参考物体空间特征信息 ................................................................................................................................................................................................. 139 
（二）扫描获取物体空间特征信息的注意事项........................................................................................................................................................................... 143 
参考文献
 ......................................................................................................................................................................................................................................................................... 143 
ARFOUNDATION 之路－3D 物体识别之二 ............................................................................................................................................................................. 143 
（一） 术语 ............................................................................................................................................................................................................................................. 144 

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（二）AR TRACKED OBJECT MANAGER ............................................................................................................................................................................. 144 
（三）3D 物体识别跟踪基本操作................................................................................................................................................................................................... 145 
ARFOUNDATION 之路－3D 物体识别之三 ............................................................................................................................................................................. 147 
（一）3D 物体跟踪启用与禁用 ....................................................................................................................................................................................................... 147 
（二）多物体跟踪................................................................................................................................................................................................................................. 149 
ARFOUNDATION 之路－人脸检测增强之一 ........................................................................................................................................................................... 152 
（一）人脸检测概念 ............................................................................................................................................................................................................................ 152 
（二）人脸检测技术基础 ................................................................................................................................................................................................................... 154 
参考文献
 ......................................................................................................................................................................................................................................................................... 156 
ARFOUNDATION 之路－人脸检测增强之二 ........................................................................................................................................................................... 156 
（一）人脸姿态 ..................................................................................................................................................................................................................................... 156 
（二）人脸网格 ..................................................................................................................................................................................................................................... 159 
ARFOUNDATION 之路－人脸检测增强之三 ........................................................................................................................................................................... 164 
（一）人脸区域 ..................................................................................................................................................................................................................................... 165 
（二）多人脸检测................................................................................................................................................................................................................................. 169 
ARFOUNDATION 之路－视频播放 ............................................................................................................................................................................................. 172 
（一）VIDEOPLAYER 组件 ............................................................................................................................................................................................................. 172 
（二）实现视频播放 ............................................................................................................................................................................................................................ 175 
 
 
 
 
 
 
 
 
 
 
 

ARFoundation 之路－概述

2019 年 06 月 11 日 18:41:19 yolon3000 阅读数 769 更多

分类专栏： ARFoundation

本文链接：https://blog.csdn.net/yolon3000/article/details/91445797

（一）、什么是 ARFoundation

2017 年，Apple 公司与 Google 公司相继推出了各自的 AR 开发 SDK 工具包 ARKit 和 ARCore，分

别对应 iOS 平台与 Android 平台 AR 开发。ARKit 和 ARCore 推出后，极大的促进了 AR 在移动端的普

及发展，将 AR 从实验室带入到普通消费场景中。由于当前的移动手机操作系统主要由 iOS 与 Android

两大系统统治，ARKit 和 ARCore 分别服务于各自己的系统平台，这意味着软件产商要开发一套移动 AR

应用就必须使用 ARKit 开发一个 iOS 版本、使用 ARCore 开发一个 Android 版本，这无疑增加了开发时

间与成本。

ARCore 提供了 Android、Android NDK、Unity、Unreal 开发包，ARKit 官方只提供了 Xcode 开发

包，这也提高了利用其他工具进行开发的开发者学习成本。在这种情况下，Unity 构建了一个 AR 开发平

台，这就是 ARFoundation，这个平台架构于 ARKit 和 ARCore 之上，其目的就是利用 Unity 的跨平台

能力构建一种与平台无关的 AR 开发环境，换句话说，ARFoundation 对 ARKit 与 ARCore 进行了再次

封装，并按照用户的发布平台自动选择合适的底层 SDK 版本。

因此，ARFoundation 是 ARKit XR 插件（com.unity.xr.arkit）和 ARCore XR 插件

（com.unity.xr.arcore）的集合，虽然最终都使用 ARKit SDK 和 ARCore SDK，但因为 Unity 再次封装

的缘故，与专业平台（如 ARKit 插件和 ARCore SDK for Unity）相比，C＃调用的 API 略有不同。

ARFoundation 的目标并不局限于 ARKit 与 ARCore，它的目标是建成一个统一、开放的 AR 开发平

台，因此，ARFoundation 极有可能在下步发展中纳入其他 AR SDK，进一步丰富 AR 开发环境。在进

一步的发展中，ARFoundation 不仅支持移动端 AR 设备，还会支持穿戴式 AR 设备开发。

从上面的描述我们也可以看出，ARFoundation 它并不提供 AR 的底层开发 API，这些与平台相关的

API 均由第三方如 ARKit 与 ARCore 提供，因此 ARFoundation 对某特定第三方功能的实现要比原生的

晚（ARFoundation 将某第三方 SDK 的特定功能集成需要时间）。

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popopopo1

2023-02-14

介绍的挺详细的，非常感谢！正在认真学习中。

ARFoundation大全.pdf

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